The Fast Show's Arabella Weir and comedian Bill Bailey will also appear in the hour-long episode, titled 'The Doctor, The Widow and The Wardrobe'.

The first preview clip sees The Doctor (Smith) meet Madge Arwell (Skinner) and her children Lily (Holly Earl) and Cyril (Maurice Cole), while the second follows the Time Lord and Lily as they explore a wintry landscape.

In the third and final video, Madge encounters Droxil (Bailey) and his bumbling accomplice Ven-Garr (Paul Bazely).